12431843 has 2 divisors, whose sum is σ = 12431844. Its totient is φ = 12431842.

The previous prime is 12431821. The next prime is 12431849. The reversal of 12431843 is 34813421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12431843 - 2¹⁸ = 12169699 is a prime.

It is not a weakly prime, because it can be changed into another prime (12431849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215921 + 6215922.

It is an arithmetic number, because the mean of its divisors is an integer number (6215922).

Almost surely, 2^12431843 is an apocalyptic number.

12431843 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431843 is an equidigital number, since it uses as much as digits as its factorization.

12431843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 12431843 is about 3525.8818755029. The cubic root of 12431843 is about 231.6568636767.

The spelling of 12431843 in words is "twelve million, four hundred thirty-one thousand, eight hundred forty-three".